Theresa May

Reappointed after the Conservatives won the 2015 general election, she became the longest-serving home secretary in more than 60 years. During her tenure as home secretary, she pursued reform of the Police Federation, implemented a harder line on drugs policy and further restricted immigration. She oversaw the introduction of elected police and crime commissioners, the deportation of Abu Qatada and the creation of the College of Policing and the National Crime Agency.

Although she supported the Remain campaign, May supported Brexit following the outcome of the 2016 referendum. She was elected and appointed prime minister unopposed, succeeding David Cameron. As prime minister, May began the process of withdrawing the UK from the EU, triggering Article 50 in March 2017. In April, she announced a snap general election, with the aim of strengthening her hand in Brexit negotiations and highlighting her "strong and stable" leadership.

This resulted in a hung parliament with the number of Conservative seats reduced to 317 from 330, despite the highest vote share since 1983 and the largest increase in electoral support enjoyed by a governing party since 1832. The loss of an overall majority prompted her to enter a confidence-and-supply arrangement with the Democratic Unionist Party (DUP).

Following the 2017 election, May's premiership continued to be dominated by Brexit, in particular by her government's negotiations with the EU, adhering to the Chequers plan, which led to a draft Brexit withdrawal agreement. Other events that occurred during May's premiership included terrorist attacks in Westminster, the Manchester Arena and London Bridge, and the Grenfell Tower fire and Windrush scandal. Her governmen